AirHint found the following cheapest return flights from Madrid (MAD) to Oslo (OSL) in August 2025 (see full year).

Return flights

30 Aug - 09 Sep	Iberia
27 Aug - 06 Sep	Ryanair
28 Aug - 07 Sep	Iberia
30 Aug - 02 Sep	Iberia
30 Aug - 08 Sep	Ryanair
29 Aug - 02 Sep	Norwegian
29 Aug - 07 Sep	Norwegian
29 Aug - 06 Sep	Norwegian
27 Aug - 03 Sep	Ryanair
29 Aug - 05 Sep	Norwegian
24 Aug - 26 Aug	Iberia
23 Aug - 25 Aug	Ryanair
25 Aug - 27 Aug	Air Europa
21 Aug - 27 Aug	Air Europa
28 Aug - 31 Aug	Norwegian
21 Aug - 25 Aug	Air Europa
19 Aug - 22 Aug	Ryanair
24 Aug - 27 Aug	Iberia
28 Aug - 30 Aug	Iberia
26 Aug - 28 Aug	Iberia

Also check the deals for one-way flights from Madrid to Oslo in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Madrid to Oslo in August from 135€

Return flights